disturbance variable 中文意思是什麼

disturbance variable 解釋
干擾量
  • disturbance : n. 1. 動亂,變亂,騷亂。2. 煩悶;(心情)紛亂;(身心)失調。3. 【無線電】干擾;【氣象學】擾動;【地質學;地理學】(地殼的)局部運動。4. 【法律】侵犯(權利),妨害(治安)。
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. In ciefcm, a tiny disturbance was added to filial generation group by using chaos variable and the disturbance amplitude was adjusted step by step, which greatly improves the colony diversity of immune evolution algorithm ( tea )

    該演算法把混沌變量加載于免疫演算法的變量群體中,利用混沌搜索的特點對群體進行微小擾動並逐步調整擾動幅度,明顯改善了免疫演算法的群體多樣性。
  2. The oil - dehydration process is a complex, mimo, variable coupling seriously, disturbance vnying frequently manufacturing process, which practically has less measurable information

    聯合站油水分離過程是復雜的、多輸入多輸出的、變量之間耦合嚴重、干擾變化頻繁、實際可測信息很少的生產過程。
  3. So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed

    由於控制量相對受限制,並且主要體現在控制量加速不足方面,無法實現理想的滑模變結構控制,因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制,包括變結構控制三要素,尤其是到達條件;並且針對塞棒掛渣問題,給出了該情況下抖振的表達式;魯棒性方面,分析了外界擾動對準滑模運動的影響,並且給出了外擾作用下抖振的表達式。
  4. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  5. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  6. In this circuit, we use many kinds of negative feedback to modify the ou tput wave, which can decrease the distortion. and we use the high - voltage and high frequency capacitance efficiency, which can decrease the disturbance of output signal of variable frequency source for the test of part discharge

    採用了多種負反饋迴路修正輸出波形,使得輸出電壓波形的失真度很小;並且在電路中有效利用高壓高頻電容,減小了變頻電源輸出的電壓對局部放電試驗時的干擾。
  7. Presents the new independentmodal - space variable structure control for flexible structures with distributed parameter model, which is decoupled into a number of 2 - dimensional subsystems in terms of coordination transmission where, the variable structure control law is designed within the given boundary of structural uncertainty and disturbance, and concludes from simulation results that the algorithm is not only simple so as to accomplish in real time, but also is very robust

    對具有分佈參數模型的撓性結構提出了模態空間變結構控制方案,利用坐標變換把整個系統分為若干個獨立的二維模態子空間.在每個獨立的模態子空間內,在給定參數不確定性范圍和干擾力矩范圍的情況下,設計變結構控制控制器.通過模擬驗證了控制演算法的有效性;控制演算法簡單,易於實時完成,又具有較好的魯棒性
  8. Aim at overcoming the disadvantages of conventional pid control algorithm, which adopts fixed - parameters, author introduces a variable parameters pid speed regulator which gives much improvement on anti - disturbance. this control system has fast respondence when increasing or decreasing speed at emergency work conditions

    針對常規pi演算法控制參數固定的缺點,筆者採用了一種變參數pid調速器,使柴油主機調速系統抗干擾性有較大改善,在應急工況下系統對于加、減速車令具有快速響應性。
  9. Combines the parallel character of multiple population pseudo parallel evolution with inner stochastic character of chaos movement, applying different chaotic disturbance strategies, taking chaos ' variable measure map mechanism into population initialization or middle populations fulfilled function optimization

    把多群體偽并行進化的并行性和混沌運動的內在隨機性結合起來,利用不同的混沌擾動策略,把混沌變尺度映射機理應用到種群初始化和中間群體的優化進化實現函數優化。
  10. Simulation result indicated that predictive filter of the dynamics model may be followed the attitude movement, if disturbance moment is time variable and large relative to gradient moment of gravity, and predictive filter based kinematics is suitable if there is no information about dynamics

    在有較大時變干擾力矩情況下基於動力學模型的預測濾波演算法能夠很好地跟蹤姿態變化,而在對系統模型一無所知,系統動態不高的條件下利用基於運動學的預測濾波演算法可以得到較好的姿態估計。
  11. The load of the dc motor has a great influence on the tracking effect of speed control system, so a kind of load disturbance observer is constructed to compensate the load disturbance, and a new variable structure controller is designed by employing lyapunov speed error function

    針對實際直流電機負載對速度控制系統跟蹤效果有較大影響的情況,提出了一種重構軋制負載擾動的觀測器,進而對負載擾動進行前饋補償控制,設計了一種新的利用lyapunov速度誤差函數構造的變結構魯棒控制器。
  12. When ships are at their actual voyages the working conditions ( such as loading, depth of drafu ship speed ) and the navigating environments ( such as the sea route, depth of water, wind, wave, current ) are variable to a large extent. the whole during is a procedure of model varying with time nonlinear and large disturbance. the introduction of the intelligent controlling method can contribute to the improvement of automation degree for ship avoiding collision and maneuvering systems

    由於船舶的運動在實際的航行過程中隨船舶的工作狀態(如載荷、吃水深度、航速等)及航行環境(如航線、水深、風、浪、流等)的不同而有很大的變化,是一個模型時變、非線性、大幹擾的過程,將智能化控制技術用於其中將會有助於船舶避碰與操縱系統的自動化程度的提高。
  13. The reference signal and the disturbance signal are controlled, which can achieve optimal effect in the meantime, applying adaptive lms algorithm based on variable step and variable region to variable frequency speed regulation system, the initial convergence rate, tricking ability of time - varying system and stable precision are best in the meantime

    利用變論域變步長的lms自適應濾波演算法,使自適應逆控制的異步電機變頻調速系統及其逆系統辨識的初始收斂速度、時變系統跟蹤能力及穩態精度3個指標同時達到最優。
  14. Lastly the nonlinearity of armature reaction of the dc motor is considered, a variable structure controller is designed based on the feedback linearization method, moreover, a robust controller is designed which can restrain the uncertainty bought by the load disturbance and the nonlinearity of armature reaction simultaneously

    最後,針對直流電機速度控制系統存在電樞反應非線性,設計了基於反饋線性化的變結構魯棒控制器和一種能同時滿足抑制負載擾動和電樞反應非線性引起的不確定的魯棒控制器。
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